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FR2264454A1 - - Google Patents

Info

Publication number
FR2264454A1
FR2264454A1 FR7507504A FR7507504A FR2264454A1 FR 2264454 A1 FR2264454 A1 FR 2264454A1 FR 7507504 A FR7507504 A FR 7507504A FR 7507504 A FR7507504 A FR 7507504A FR 2264454 A1 FR2264454 A1 FR 2264454A1
Authority
FR
France
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
FR7507504A
Other versions
FR2264454B3 (fr
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Publication of FR2264454A1 publication Critical patent/FR2264454A1/fr
Application granted granted Critical
Publication of FR2264454B3 publication Critical patent/FR2264454B3/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B41/00—Circuit arrangements or apparatus for igniting or operating discharge lamps
    • H05B41/14—Circuit arrangements
    • H05B41/36—Controlling
    • H05B41/38—Controlling the intensity of light
    • H05B41/39—Controlling the intensity of light continuously
    • H05B41/392—Controlling the intensity of light continuously using semiconductor devices, e.g. thyristor
    • H05B41/3921—Controlling the intensity of light continuously using semiconductor devices, e.g. thyristor with possibility of light intensity variations
    • H05B41/3924—Controlling the intensity of light continuously using semiconductor devices, e.g. thyristor with possibility of light intensity variations by phase control, e.g. using a triac

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Circuit Arrangements For Discharge Lamps (AREA)
FR7507504A 1974-03-11 1975-03-11 Expired FR2264454B3 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL7403203A NL7403203A (nl) 1974-03-11 1974-03-11 Inrichting voor het voeden van een gas- en/of dampontladingslamp.

Publications (2)

Publication Number Publication Date
FR2264454A1 true FR2264454A1 (fr) 1975-10-10
FR2264454B3 FR2264454B3 (fr) 1977-11-18

Family

ID=19820925

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7507504A Expired FR2264454B3 (fr) 1974-03-11 1975-03-11

Country Status (6)

Country Link
JP (1) JPS50122084A (fr)
BE (1) BE826490A (fr)
DE (1) DE2508210A1 (fr)
FR (1) FR2264454B3 (fr)
GB (1) GB1451186A (fr)
NL (1) NL7403203A (fr)

Also Published As

Publication number Publication date
NL7403203A (nl) 1975-09-15
JPS50122084A (fr) 1975-09-25
BE826490A (fr) 1975-09-10
GB1451186A (en) 1976-09-29
FR2264454B3 (fr) 1977-11-18
DE2508210A1 (de) 1975-09-18

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Legal Events

Date Code Title Description
ST Notification of lapse